# Quadratic-equation definition

An equation that employs the variable

*x*having the general form*ax*0, where^{2}+ bx + c =*a, b,*and*c*are constants and*a*does not equal zero; that is, the variable is squared but raised to no higher power.noun

The definition of a quadratic equation is one in which one of the terms is raised to the second power (squared).

An example of a quadratic equation is 2x² + 4x + 4.

noun

(algebra) An equation in which the second power, or square, is the highest to which the unknown quantity is raised.

noun

(mathematics) A polynomial equation of the second degree.

noun

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## Other Word Forms

### Noun

Singular:

quadratic-equation
Plural:

quadratic equations